Conditioning of partial nonuniform Fourier matrices with clustered nodes

Keyphrases

• Super-resolution 100%
• Nonuniform Fourier Matrices 100%
• Node number 50%
• Sharp Lower Bound 50%
• Smallest Singular Value 50%
• Unit Circle 50%
• Vandermonde Matrix 50%
• Minimax Lower Bound 50%
• Grid Node 50%
• Partial Fourier Matrix 50%
• Sharp Minimax 50%
• Cluster Assumption 50%
• Partial Clustering 50%

Mathematics

• Nonuniform 100%
• Fourier Matrix 100%
• Polynomial 50%
• Unit Circle 50%
• Minimax 50%
• Singular Value 50%
• Vandermonde Matrix 50%